Correlation between cardiopulmonary capacity and heart rate recovery after exercise in patients with coronary borderline lesions
TANG Li
GE Xiaozhen
LIU Jie
ZHANG Yan
WANG Jingrong
ZUO Xuebing
WANG Guodong
Abstract：Objective To investigate the characteristics and correlation between peak oxygen uptake(VO₂peak)and heart rate recov-ery(HRR)during cardiopulmonary exercise test(CPET)in patients with coronary borderline lesions.
Methods From January,2022 to January,2024,183 patients with coronary borderline lesions in Beijing Bo'ai Hospital were divided into low cardiorespiratory fitness(LCF)group(n=61),moderate cardiorespiratory fitness(MCF)group(n=62)and high cardiorespiratory fitness(HCF)group(n=60)based on VO₂peak.Their characteristics and CPET parameters including VO₂peak,exercise-phase heart rate(HR1,HR2,HR3),and post-exercise heart rate recovery(HRR1,HRR2,HRR3)were analyzed.
Results After adjusting for age and body mass index,analysis of covariance showed that the peak heart rate,HR1,HR2 and HR3 were the lowest in LCF group(F>5.388,P<0.01).Repeated-measures analysis of variance showed that the inter-and intra-group effects were significant in HRR(F>14.561,P<0.001).Partial correlation analy-sis showed that VO₂peak positively correlated with HRR1(r=0.404,P<0.001),HRR2(r=0.379,P<0.001)and HRR3(r=0.425,P<0.001).
Conclusion In patients with coronary artery borderline lesions,VO₂peak demonstrated a significant inverse correlation with HRR,the lower the VO₂peak,the more delays of HRR.
Keywords：coronary borderline lesionsheart rate recoverypeak oxygen uptakecardiopulmonary exercise testcardiopulmonary capacity
Publication Date：2025-07-25
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：8( 838-845 )